On Fri, Jan 17, 2014 at 5:02 PM, Vincent Philion <vincent.phil...@irda.qc.ca
> wrote:
> For once, I actually agree with you Jon. ;-)
>
> I don’t have your skills and talent, so I know I should stick to the easy
> topics like pathology that my simple mind can understand.
>
> So from your friendly comment I conclude that all this was all quite
> predictable? Good.
>
> My only goal here was to confirm that this data made sense. If it does,
> I’m happy.
>
> I don’t intend to publish in Nature. I rely on you for that. ;-)
>
> have a nice weekend!
>
>
> PS = You should come up here and teach us. Your French level is not bad!
> Enough to flirt with the women and order beer. The essential stuff.
>
> Vincent
>
>
> On 17janv., 2014, at 15:21, Jon Clements <jon.cleme...@umass.edu> wrote:
>
> Bonjour Vincent! Désolé, mais peut-être que vous devriez vous en tenir à
> l'entomologie et de la pathologie et de laisser la recherche horticole très
> dur très important pour les vrais experts! :-)
>
>
> On Thu, Jan 16, 2014 at 9:34 PM, Vincent Philion <
> vincent.phil...@irda.qc.ca> wrote:
>
>> Hello, sorry for the delay.
>>
>> Yes, correct. Crop load influenced fruit weight notwithstanding ReTain.
>> Fruits left on tree at harvest were more numerous and larger when treated
>> with Retain. Fruits were up to 56g larger (148g vs 92g) depending on the
>> specifics of the ReTain application.
>>
>> What I also found interesting was that the average fruit pressure of
>> retain treated fruit significantly dropped for fruit left on the trees. As
>> if the fruit stuck to the tree with Retain, and continued to grow but got
>> softer.
>>
>> The Brix index was also influenced by the number of fruits on the tree:
>> lower Brix on trees with more fruit. Retain also increased sugar content.
>>
>> Not much else to report.
>>
>> I’m not usually into physiology. This was a “accidental” project for us!
>>
>> Vincent
>>
>> On 14janv., 2014, at 16:41, David Kollas <kol...@sbcglobal.net> wrote:
>>
>>
>> Vincent:
>>
>> As I understand your most recent explanation, both the untreated and the
>> ReTain-treated trees
>> produced greater fruit size at harvest if they were borne on trees most
>> heavily-set at start of
>> experiment. And that the ReTain treated trees showed a greater
>> size/initial number of fruit than did the
>> untreated. If the difference in fruit size for treated versus untreated
>> is small, I would not be much
>> bothered by it. Can you tell us how much different they were?
>>
>> David Kollas
>>
>> On Jan 14, 2014, at 12:26 PM, Vincent Philion <vincent.phil...@irda.qc.ca>
>> wrote:
>>
>> Hello!
>>
>> Thank you all for your input!
>>
>> I did not explain why I was looking at drop and fruit size: it was an
>> experiment on the use of ReTain.
>>
>> In the end I’m not sure I can pinpoint the reason this increased fruit
>> size on trees with more apples (notwithstanding ReTain), but your input
>> underlined that a number of variables can be involved! I liked Duane’s idea.
>>
>> If you’re curious, the report will read: ReTain Treatments significantly
>> increased harvested McIntosh yield as compared to the control (p<0.0001).
>> Average fruit size at harvest was proportional to the total number
>> of fruits on the trees present at the start of the experiment (p=0.01) and
>> fruits treated with ReTain were larger than in the control (p=0.02).
>>
>> The effect of ReTain on harvest was expected (drop prevention) but the
>> effect on fruit size was undetectable if the model was not adjusted to the
>> initial crop load (thus my question)
>>
>> So the next question is now: why are ReTain treated fruits bigger than
>> untreated fruit at harvest?
>>
>> bye for now,
>>
>> Vincent
>>
>>
>> On 14janv., 2014, at 10:06, Duane Greene <dgre...@pssci.umass.edu> wrote:
>>
>>
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>
>
> --
> Jon Clements
> aka 'Mr Honeycrisp'
> UMass Cold Spring Orchard
> 393 Sabin St.
> Belchertown, MA 01007
> 413-478-7219
> umassfruit.com
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Maurice Tougas
Tougas Family Farm
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508-450-0844